MT · River

South Fork Dearborn River

Water conditions

69°F

Water temp

4 ft

Gage height

191 cfs

Discharge

—

Turbidity

5°F warmer than typical for this date

Discharge

Measured at USGS gauge 06073500 · 15:15 UTC-7

Weather

Weather not yet loaded for this water.

Best times today

70/100Good · Waning crescent (11% lit)

Minor period16:48–17:48
Major period20:21–22:21
Minor period00:54–01:54
Major period08:56–10:56

Moonrise 01:24 · Moonset 17:18 · times UTC-7 (approx)

Recently stocked

Rainbow Trout · 342 · 9Apr 20, 1973
Rainbow Trout · 532 · 9Jul 25, 1972
Rainbow Trout · 405 · 8Jun 28, 1972
Rainbow Trout · 337 · 8Jul 15, 1971
Rainbow Trout · 334 · 10Aug 5, 1970
Rainbow Trout · 420 · 10Jul 23, 1969
Rainbow Trout · 1,235 · 11Aug 12, 1968
Rainbow Trout · 980 · 10Jul 20, 1967
Rainbow Trout · 1,240 · 9Jul 25, 1966
Brook Trout · 640 · 4Sep 3, 1965
Rainbow Trout · 1,840 · 10Jul 23, 1965
Rainbow Trout · 945 · 10Jul 21, 1964
Rainbow Trout · 1,200 · 9Jun 24, 1963
Rainbow Trout · 1,960 · 10Jul 9, 1962
Rainbow Trout · 2,014 · 0May 22, 1961
Rainbow Trout · 1,080 · 0Aug 15, 1960
Rainbow Trout · 1,050 · 0Jul 18, 1960
Rainbow Trout · 1,620 · 0Jul 16, 1959
Rainbow Trout · 2,100 · 0Jun 25, 1957
Rainbow Trout · 2,250 · 0Sep 7, 1956
Rainbow Trout · 2,112 · 0Aug 14, 1956
Rainbow Trout · 2,112 · 0Aug 13, 1956
Rainbow Trout · 1,760 · 0Jul 6, 1956
Rainbow Trout · 880 · 0Jul 3, 1956
Rainbow Trout · 1,680 · 0Jul 14, 1955
Rainbow Trout · 480 · 0Jul 19, 1954
Rainbow Trout · 4,000 · 5Sep 28, 1953
Rainbow Trout · 960 · 8Jul 15, 1952
Rainbow Trout · 1,200 · 3Jun 21, 1952
Rainbow Trout · 3,400 · 8Jul 6, 1951
Rainbow Trout · 2,400 · 6Aug 30, 1950
Brook Trout · 6,000 · 3Aug 17, 1949
Brook Trout · 12,900 · 3Jun 21, 1949
Rainbow Trout · 1,920 · 6Aug 16, 1948
Rainbow Trout · 2,000 · 5Oct 12, 1947
Rainbow Trout · 1,950 · 5Sep 26, 1947
Rainbow Trout · 1,700 · 6Jul 19, 1947
Rainbow Trout · 1,950 · 5Sep 26, 1946
Rainbow Trout · 4,800 · 4Jun 22, 1946
Cutthroat Trout · 35,000 · 0Aug 19, 1941
Cutthroat Trout · 8,750 · 0Oct 9, 1940
Cutthroat Trout · 15,000 · 0Oct 5, 1939
Cutthroat Trout · 29,000 · 0Oct 5, 1938
Cutthroat Trout · 26,000 · 0Oct 27, 1933
Cutthroat Trout · 15,000 · 2Sep 27, 1932

RSS feed

What to throw

Rainbow Trout

No exact temperature rule — widened by temperature.

Inline Spinnergold/red

69°F, clarity n/a, post-spawn → cast and retrieved along current seams gold/red inline spinner

Why we say this: Mepps trout selection guide

Panther Martin Classic 1/8 oz ($4.99)

Mepps Aglia #3 ($5.49)

Brook Trout

No exact temperature rule — widened by temperature.

Spoonbrass

69°F, clarity n/a, post-spawn → cast and retrieved brass spoon

Why we say this: State agency brook trout guide

Acme Kastmaster 1/4 oz ($4.29)

Johnson Silver Minnow 1/4 oz ($4.49)

Gear partners

Sonar and lake mapping earn their keep on a water like South Fork Dearborn River — find the depth and structure the bite is holding on, then match it to the picks above.

Electronics & fish finders: Garmin · Bass Pro Shops — Fish finders, sonar & lake mapping
Rods & reels: Abu Garcia (Pure Fishing) · Bass Pro Shops
Boats & marine: Bass Pro Shops — Boats, trolling motors & marine gear

Nearby & related

Stocked nearby in the last two weeks

Lake Sutherlin · Rainbow Trout · 79 miJun 30, 2026

Nearby waters

Waters with the same fish

Embed this lake's live conditions on your site

<iframe src="https://lurepassion.com/embed/conditions/montana/south-fork-dearborn-river" width="320" height="180" style="border:0" loading="lazy" title="South Fork Dearborn River conditions — LurePassion"></iframe>

Free to embed. The widget updates itself and links back to the live page.

Water measured at a gauge; weather unavailable.